Disadvantage Roller
Roll two d20s and keep the lower one.
Ready to roll with disadvantage
Roll with
Modifier
0
What is disadvantage?
Rolling with disadvantage means rolling two twenty-sided dice and taking the lower result. It drops your average roll from 10.5 to 7.18 and raises your chance of a natural 1 from 5% to 9.75%.
The odds
Disadvantage averages 7.18 against 10.5 for a plain d20.
- 19.75%
- 29.25%
- 38.75%
- 48.25%
- 57.75%
- 67.25%
- 76.75%
- 86.25%
- 95.75%
- 105.25%
- 114.75%
- 124.25%
- 133.75%
- 143.25%
- 152.75%
- 162.25%
- 171.75%
- 181.25%
- 190.75%
- 200.25%
| Result | Chance | Odds |
|---|---|---|
| 1 | 9.75% | 1 in 10.3 |
| 2 | 9.25% | 1 in 10.8 |
| 3 | 8.75% | 1 in 11.4 |
| 4 | 8.25% | 1 in 12.1 |
| 5 | 7.75% | 1 in 12.9 |
| 6 | 7.25% | 1 in 13.8 |
| 7 | 6.75% | 1 in 14.8 |
| 8 | 6.25% | 1 in 16 |
| 9 | 5.75% | 1 in 17.4 |
| 10 | 5.25% | 1 in 19 |
| 11 | 4.75% | 1 in 21.1 |
| 12 | 4.25% | 1 in 23.5 |
| 13 | 3.75% | 1 in 26.7 |
| 14 | 3.25% | 1 in 30.8 |
| 15 | 2.75% | 1 in 36.4 |
| 16 | 2.25% | 1 in 44.4 |
| 17 | 1.75% | 1 in 57.1 |
| 18 | 1.25% | 1 in 80 |
| 19 | 0.75% | 1 in 133.3 |
| 20 | 0.25% | 1 in 400 |
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